This deliverable presents a treatment of existing and emerging ideas of citizenship in the energy system and around energy more generally. An analysis of modes of (citizen) participation and related manifestations of energy citizenship is forwarded. This report – the first of two on characterizing and (re)conceptualizing expressions of energy citizenship – will both contribute to the ongoing discourse on the place of the citizen in the energy domain, and feed into the development of an energy citizenship typology to be presented in the second report from this package of work. Acknowledging that privilege(s) shape the type of relationships particular individuals and groups might have with energy, this report opens a discussion on the type(s) of energy citizenship experienced by those at the margins. In this way an understanding of multiple (sometime overlapping) expressions of citizenship around energy is forwarded. This report will be of interest to both re-searchers and practitioners interesting in transforming the currently energy system (and its implications for the way we live our lives.